Home / 16,861.13-23,268.36-9,409.13

Finding the Fourth Proportional to 16,861.13, 23,268.36 and 9,409.13

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Solution

The fourth proportional to 16,861.13, 23,268.36 and 9,409.13 is: 12,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.13 : 23,268.36 = 9,409.13 : x
  2. Step 2: Convert to fraction form
    16,861.13/23,268.36 = 9,409.13/x
  3. Step 3: Cross multiply
    16,861.13x = 23,268.36 × 9,409.13
  4. Step 4: Simplify right side
    16,861.13x = 218,934,907.79
  5. Step 5: Solve for x
    x = 218,934,907.79/16,861.13
  6. Step 6: Final answer
    x = 12,984.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.